| 2017-07-22 14:00:46July 22, 2017 | St Athan B | 1 - 4 | Cwrt Y Vil | Pre-Season | 17/18 | St Athan | Recap |
| 2017-07-29 15:30:29July 29, 2017 | St Athan B | 1 - 1 | Nelson Cavaliers B | Pre-Season | 17/18 | St Athan | Recap |
| 2017-08-03 18:30:50August 3, 2017 | St Athan B | 2 - 6 | | Pre-Season | 17/18 | St Athan | Recap |
| 2017-08-06 15:00:50August 6, 2017 | St Athan B | 3 - 3 | Cadoxton Barry | Pre-Season | 17/18 | St Athan | Recap |
| 2017-08-12 14:00:35August 12, 2017 | St Athan B | 1 - 4 | Llantwit Major | Pre-Season | 17/18 | St Athan | Recap |
| 2017-08-19 14:00:49August 19, 2017 | AFC Rhoose B | 9 - 0 | St Athan B | Division Two | 17/18 | | Recap |
| 2017-08-26 14:00:23August 26, 2017 | Cadoxton Barry | 7 - 1 | St Athan B | Division Two | 17/18 | | Recap |
| 2017-08-30 18:00:05August 30, 2017 | St Athan B | 2 - 5 | Llantwit Major | Division Two | 17/18 | St Athan | Recap |
| 2017-09-09 14:00:16September 9, 2017 | BV | 1 - 1 | St Athan B | Division Two | 17/18 | | Recap |
| 2017-09-16 14:00:27September 16, 2017 | St Athan B | 2 - 1 | Island Marine B | Division Two | 17/18 | St Athan | Recap |
| 2017-09-23 14:00:29September 23, 2017 | St Athan B | 0 - 1 | | Division Two | 17/18 | St Athan | Recap |
| 2017-10-14 14:00:49October 14, 2017 | Vale Madrid | 4 - 0 | St Athan B | Division Two | 17/18 | | Recap |
| 2017-10-21 14:00:28October 21, 2017 | St Athan B | 4 - 6 | Barry Atheltic B | Division Two | 17/18 | | Recap |
| 2017-11-18 14:00:02November 18, 2017 | St Athan B | 8 - 1 | | Division Two | 17/18 | | Recap |
| 2017-11-25 14:00:51November 25, 2017 | St Athan B | 3 - 1 | Vale Madrid | Division Two | 17/18 | St Athan | Recap |
| 2017-12-02 14:00:32December 2, 2017 | St Athan B | 2 - 2 | | Division Two | 17/18 | | Recap |
| 2017-12-09 14:00:21December 9, 2017 | Island Marine B | 3 - 2 | St Athan B | Division Two | 17/18 | | Recap |
| 2018-01-13 14:00:16January 13, 2018 | Llantwit Major | 8 - 1 | St Athan B | Division Two | 17/18 | | Recap |
| 2018-02-17 14:00:14February 17, 2018 | St Athan B | 14:00:142:00 pm | Cadoxton Barry | Division Two | 17/18 | | Recap |
| 2018-02-24 14:00:48February 24, 2018 | St Athan B | 5 - 1 | BV | Division Two | 17/18 | | Recap |
| 2018-04-14 14:00:18April 14, 2018 | St Athan B | 1 - 2 | BV | | 17/18 | St Athan | Recap |
| 2018-04-18 18:00:39April 18, 2018 | St Athan B | 4 - 4 | AFC Rhoose B | Division Two | 17/18 | | Recap |
| 2018-04-21 14:00:55April 21, 2018 | St Athan B | 8 - 6 | | Division Two | 17/18 | St Athan | Recap |
| 2018-04-28 14:00:39April 28, 2018 | St Athan B | 3 - 5 | Cadoxton Barry | Division Two | 17/18 | St Athan | Recap |
| 2018-05-05 14:00:05May 5, 2018 | Barry Atheltic B | 1 - 3 | St Athan B | Division Two | 17/18 | | Recap |
| 2018-07-28 15:15:39July 28, 2018 | St Athan B | 2 - 3 | Broadlands B | Pre-Season 2018 | 17/18 | St Athan | Recap |
| 2018-08-02 18:30:09August 2, 2018 | St Athan B | 2 - 3 | Cwrt Y Vil | Pre-Season 2018 | 17/18 | St Athan | Recap |
| 2018-08-04 15:15:00August 4, 2018 | St Athan B | 2 - 1 | Nelson Cavaliers B | Pre-Season 2018 | 17/18 | St Athan | Recap |
